After a successful EMCC login, the phone unregisters from the visiting cluster and registers to a call-processing node of the home cluster.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- Extension Mobility Cross Cluster
- Deployment
- on-premises
- Region
- not restricted
- Release range
- not release-specific
- Checked
- 2026-10-02
Sources
- Troubleshoot Extension Mobility Cross Cluster (EMCC) — Cisco · tier 2 current vendor documentation · Log analysis walkthrough (phone registration to home cluster)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Extension Mobility login failures in Unified CM: source note cucm-extension-mobility-troubleshooting-emcc-phone-reg-home. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-extension-mobility-troubleshooting-emcc-phone-reg-home
BibTeX
@misc{warmtransfer-claim-cucm-extension-mobility-troubleshooting-emcc-phone-reg-home,
title = {Troubleshooting Extension Mobility login failures in Unified CM: source note cucm-extension-mobility-troubleshooting-emcc-phone-reg-home},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-extension-mobility-troubleshooting-emcc-phone-reg-home},
note = {Source note cucm-extension-mobility-troubleshooting-emcc-phone-reg-home, checked 2026-10-02}
}